(5x+4)+(7x-10)=90

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Solution for (5x+4)+(7x-10)=90 equation:


Simplifying
(5x + 4) + (7x + -10) = 90

Reorder the terms:
(4 + 5x) + (7x + -10) = 90

Remove parenthesis around (4 + 5x)
4 + 5x + (7x + -10) = 90

Reorder the terms:
4 + 5x + (-10 + 7x) = 90

Remove parenthesis around (-10 + 7x)
4 + 5x + -10 + 7x = 90

Reorder the terms:
4 + -10 + 5x + 7x = 90

Combine like terms: 4 + -10 = -6
-6 + 5x + 7x = 90

Combine like terms: 5x + 7x = 12x
-6 + 12x = 90

Solving
-6 + 12x = 90

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '6' to each side of the equation.
-6 + 6 + 12x = 90 + 6

Combine like terms: -6 + 6 = 0
0 + 12x = 90 + 6
12x = 90 + 6

Combine like terms: 90 + 6 = 96
12x = 96

Divide each side by '12'.
x = 8

Simplifying
x = 8

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